Willard, New Mexico has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.7 °C (low) to 20.5 °C (high). Annual precipitation averages 344.9 Millimeters. Willard is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.9 °C | 8.7 °C | 12.95 mm |
| February | -5.8 °C | 11.4 °C | 11.43 mm |
| March | -3.2 °C | 16.1 °C | 18.03 mm |
| April | 0 °C | 20.3 °C | 14.22 mm |
| May | 4.9 °C | 25.3 °C | 26.67 mm |
| June | 9.7 °C | 31.1 °C | 24.64 mm |
| July | 13.2 °C | 31.7 °C | 62.23 mm |
| August | 12.2 °C | 30.3 °C | 61.98 mm |
| September | 8.1 °C | 27.1 °C | 44.96 mm |
| October | 1.6 °C | 21.2 °C | 31.5 mm |
| November | -4.2 °C | 14.4 °C | 17.53 mm |
| December | -8 °C | 8.6 °C | 18.8 mm |
| Annual | 1.7 °C | 20.5 °C | 344.94 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |